2 1 1Actions Report Solution During gameplay hit the button and go down to Settings. Find 'Retro Filter' on the middle right . Then, select the 'Old TV' filter by clicking either the left or right arrow to change the filter. Then click the checkbox. Play 20 waves.Showing only comment. Leave a comment. No idea why the downvote. Perfect solution. Upvote from mePosted by Slayer Reigning on 03 Sep 23 at 05:16 Leave a comment